EP1987192A4 - Manufacture of cellulose esters: recycle of caustic and/or acid from pre-treatment of pulp - Google Patents

Manufacture of cellulose esters: recycle of caustic and/or acid from pre-treatment of pulp

Info

Publication number
EP1987192A4
EP1987192A4 EP06840253A EP06840253A EP1987192A4 EP 1987192 A4 EP1987192 A4 EP 1987192A4 EP 06840253 A EP06840253 A EP 06840253A EP 06840253 A EP06840253 A EP 06840253A EP 1987192 A4 EP1987192 A4 EP 1987192A4
Authority
EP
European Patent Office
Prior art keywords
caustic
recycle
pulp
manufacture
acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06840253A
Other languages
German (de)
French (fr)
Other versions
EP1987192A2 (en
Inventor
Linfu Wang
Henry P Stogner
Denis G Fallon
Lawton E Kizer
Charles E Toney
Billy C Batson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Celanese Acetate LLC
Original Assignee
Celanese Acetate LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Celanese Acetate LLC filed Critical Celanese Acetate LLC
Publication of EP1987192A2 publication Critical patent/EP1987192A2/en
Publication of EP1987192A4 publication Critical patent/EP1987192A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/02—Rendering cellulose suitable for esterification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00—Preparation of cellulose esters of organic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00—Preparation of cellulose esters of organic acids
    • C08B3/06—Cellulose acetate, e.g. mono-acetate, di-acetate or tri-acetate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00—Preparation of cellulose esters of organic acids
    • C08B3/22—Post-esterification treatments, including purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Extraction Or Liquid Replacement (AREA)
EP06840253A 2006-01-13 2006-12-14 Manufacture of cellulose esters: recycle of caustic and/or acid from pre-treatment of pulp Withdrawn EP1987192A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/332,741 US20070167618A1 (en) 2006-01-13 2006-01-13 Manufacture of cellulose esters: recycle of caustic and/or acid from pre-treatment of pulp
PCT/US2006/062060 WO2007087100A2 (en) 2006-01-13 2006-12-14 Manufacture of cellulose esters: recycle of caustic and/or acid from pre-treatment of pulp

Publications (2)

Publication Number Publication Date
EP1987192A2 EP1987192A2 (en) 2008-11-05
EP1987192A4 true EP1987192A4 (en) 2010-08-18

Family

ID=38264058

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06840253A Withdrawn EP1987192A4 (en) 2006-01-13 2006-12-14 Manufacture of cellulose esters: recycle of caustic and/or acid from pre-treatment of pulp

Country Status (6)

Country Link
US (1) US20070167618A1 (en)
EP (1) EP1987192A4 (en)
JP (1) JP5583911B2 (en)
KR (1) KR20080071191A (en)
CN (2) CN102558364B (en)
WO (1) WO2007087100A2 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5207191B2 (en) * 2006-05-19 2013-06-12 ザ リサーチ ファンデーション オブ ステート ユニヴァーシティ オブ ニューヨーク Method for carbonate pretreatment and pulping of cellulosic materials
US8303767B2 (en) * 2008-03-18 2012-11-06 The Research Foundation Of State University Of New York Methods of pretreating comminuted cellulosic material with carbonate-containing solutions
US20100175691A1 (en) * 2009-01-15 2010-07-15 Celanese Acetate Llc Process for recycling cellulose acetate ester waste
FR2975394B1 (en) * 2011-05-17 2013-05-31 Rhodia Acetow Gmbh PROCESS FOR ACETIC ACID RECOVERY
CN102268104A (en) * 2011-06-01 2011-12-07 桂林理工大学 Method for preparing bagasse xylan acetic ester
US9212290B2 (en) 2012-01-27 2015-12-15 Celanese Acetate Llc Substituted cellulose acetates and uses thereof
US9167830B2 (en) 2012-01-27 2015-10-27 Celanese Acetate Llc Substituted cellulose acetates and uses thereof
US9023757B2 (en) 2012-01-27 2015-05-05 Celanese Acetate Llc Substituted cellulose acetates and uses thereof
MX2014012867A (en) * 2012-04-26 2015-07-14 Archer Daniels Midland Co Liquid/liquid separation of lignocellulosic biomass to produce sugar syrups and lignin fractions.
US9090045B2 (en) 2012-09-24 2015-07-28 Celanese Acetate Llc Engineered wood produced with substituted cellulose ester adhesives and methods relating thereto
US9138967B2 (en) 2012-09-24 2015-09-22 Celanese Acetate Llc Wood laminate articles comprising substituted cellulose ester adhesives and methods relating thereto
CN104781208A (en) * 2012-11-06 2015-07-15 英派尔科技开发有限公司 Copolymers of starch and cellulose
CN105906845B (en) * 2016-04-28 2018-03-06 四川普什醋酸纤维素有限责任公司 A kind of cellulose acetate micelle and its manufacture method
JP7730495B2 (en) * 2020-09-08 2025-08-28 国立大学法人神戸大学 Acetic acid recovery method
EP4144785B1 (en) 2021-09-01 2024-04-24 Asia Pacific Resources International Holdings Ltd A method of recycling textile waste cellulose

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2380706A (en) * 1942-05-01 1945-07-31 Eastman Kodak Co Production of refined wood pulp
US2385259A (en) * 1943-05-10 1945-09-18 Dow Chemical Co Purification of wood pulp
US2645576A (en) * 1948-03-10 1953-07-14 Celanese Corp Purifying wood pulp

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1933676A (en) * 1931-05-22 1933-11-07 Brown Co Preparation of cellulose acetate and the like
US2041958A (en) * 1934-07-25 1936-05-26 Brown Co Refining cellulose fiber for conversion into cellulose derivatives
US4151327A (en) * 1978-02-24 1979-04-24 Lawton William R Complex amine/silane treated cellulosic materials
US4399275A (en) * 1982-01-06 1983-08-16 Itt Corporation Preparation of highly reactive cellulose
JP3144957B2 (en) * 1992-09-24 2001-03-12 ダイセル化学工業株式会社 Cellulose fatty acid ester and method for producing the same
DE69327286T2 (en) * 1992-09-24 2000-05-11 Daicel Chemical Industries, Ltd. Process for the production of a fatty acid ester of cellulose
WO1996018764A1 (en) * 1994-12-15 1996-06-20 Daikin Industries, Ltd. Method of antisoiling finish of cellulosic fiber and product of antisoiling finish
US5648529A (en) * 1995-05-16 1997-07-15 Hoechst Celanese Corporation Process for the recovery of an organic acid from the manufacture of a cellulose ester
CN1205653A (en) * 1995-12-23 1999-01-20 克雷布斯公司 Purification method of liquid mixed with chain molecules
AU1136697A (en) * 1995-12-23 1997-07-17 Krebs & Co Ag Process for purifying a liquid contaminated by filamentary molecules
FI103418B (en) * 1996-01-31 1999-06-30 Sunds Defibrator Woodhandling Method and apparatus for the pre-treatment of fibrous material for the production of cellulose pulp
FI122654B (en) * 1997-12-08 2012-05-15 Ovivo Luxembourg Sarl Process for making paper cellulose pulp
US20060287517A1 (en) * 2005-06-16 2006-12-21 Linfu Wang Preparation of wood pulps with caustic pretreatment for use in the manufacture of cellulose acetates and other organic esters

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2380706A (en) * 1942-05-01 1945-07-31 Eastman Kodak Co Production of refined wood pulp
US2385259A (en) * 1943-05-10 1945-09-18 Dow Chemical Co Purification of wood pulp
US2645576A (en) * 1948-03-10 1953-07-14 Celanese Corp Purifying wood pulp

Also Published As

Publication number Publication date
CN101346510A (en) 2009-01-14
EP1987192A2 (en) 2008-11-05
KR20080071191A (en) 2008-08-01
JP5583911B2 (en) 2014-09-03
CN102558364B (en) 2015-04-15
CN102558364A (en) 2012-07-11
JP2009523857A (en) 2009-06-25
WO2007087100A2 (en) 2007-08-02
CN101346510B (en) 2013-03-13
US20070167618A1 (en) 2007-07-19
WO2007087100A3 (en) 2007-11-22

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20080618

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

A4 Supplementary search report drawn up and despatched

Effective date: 20100721

RIC1 Information provided on ipc code assigned before grant

Ipc: C08B 3/06 20060101ALI20100715BHEP

Ipc: C08B 3/00 20060101ALI20100715BHEP

Ipc: C08B 1/02 20060101AFI20100715BHEP

17Q First examination report despatched

Effective date: 20100806

DAX Request for extension of the european patent (deleted)
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: CELANESE ACETATE LLC

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20161011